static void logStructure(File logFile, O o) {
  logQuoted(logFile, structure(o));
}

// quick version - log to file in program directory
static void logStructure(S fileName, O o) {
  logStructure(getProgramFile(fileName), o);
}

static void logStructure(S progID, S fileName, O o) {
  logStructure(getProgramFile(progID, fileName), o);
}